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Bug#665413: marked as done (BUG: unable to handle kernel paging request)

Your message dated Tue, 24 Jul 2012 23:48:06 -0400
with message-id <500F6C76.10801@fifthhorseman.net>
and subject line Re: BUG: unable to handle kernel paging request in mark_files_ro
has caused the Debian Bug report #665413,
regarding BUG: unable to handle kernel paging request
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
665413: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=665413
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6.32-5-486
Version: 2.6.32-41

less than 10 minutes after booting to 2.6.32-5-486 on an HP d530 SFF
workstation (model DG784A) with 4GiB of RAM, i got this kernel BUG and
then panic:


[  574.852044] BUG: unable to handle kernel paging request at b4777dbf
[  574.856011] IP: [<c109520e>] mark_files_ro+0x27/0x6f
[  574.856011] *pde = 00000000 
[  574.856011] Oops: 0002 [#1] 
[  574.856011] last sysfs file: /sys/devices/virtual/block/md0/md/metadata_version
[  574.856011] Modules linked in: ext3 jbd mbcache raid1 md_mod dm_crypt dm_mod pl2303 usbserial sd_mod crc_t10dif ata_generic i915 tg3 3c59x drm_kms_helper tulip mii libphy uhci_hcd drm i2c_algo_bit snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_timer i2c_i801 ata_piix snd soundcore shpchp parport_pc button processor thermal parport libata i2c_core ehci_hcd rng_core snd_page_alloc evdev psmouse serio_raw pcspkr scsi_mod pci_hotplug usbcore nls_base video thermal_sys output
[  574.856011] 
[  574.856011] Pid: 6349, comm: dpkg-deb Not tainted (2.6.32-5-486 #1) HP d530 SFF(DG784A)
[  574.856011] EIP: 0060:[<c109520e>] EFLAGS: 00010282 CPU: 0
[  574.856011] EIP is at mark_files_ro+0x27/0x6f
[  574.856011] EAX: f3435c85 EBX: c134239c ECX: f3435c00 EDX: f3431800
[  574.856011] ESI: f3435a80 EDI: 00000008 EBP: c13423b4 ESP: f57bff40
[  574.856011]  DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[  574.856011] Process dpkg-deb (pid: 6349, ti=f57be000 task=f570e080 task.ti=f57be000)
[  574.856011] Stack:
[  574.856011]  c105b8ef f57bff60 c1342278 00000085 c1408a1c c140881c f3436580 c140841c
[  574.856011] <0> f57bff60 00000046 00000009 00000024 c1407b20 c105b9be c1026dfa 00000001
[  574.856011] <0> 0000000a 00000100 00000046 00000010 092b0282 bfa5f828 c1026ed1 00000010
[  574.856011] Call Trace:
[  574.856011]  [<c105b8ef>] ? __rcu_process_callbacks+0x292/0x352
[  574.856011]  [<c105b9be>] ? rcu_process_callbacks+0xf/0x1f
[  574.856011]  [<c1026dfa>] ? __do_softirq+0x8e/0x135
[  574.856011]  [<c1026ed1>] ? do_softirq+0x30/0x3b
[  574.856011]  [<c1026f94>] ? irq_exit+0x25/0x53
[  574.856011]  [<c100e963>] ? smp_apic_timer_interrupt+0x60/0x68
[  574.856011]  [<c10037f1>] ? apic_timer_interrupt+0x31/0x40
[  574.856011] Code: f0 00 00 c3 57 56 89 c6 53 8d 78 74 8b 56 74 eb 54 8b 42 0c 8b 40 0c 0f b7 40 6e 25 00 f0 00 00 3d 00 80 00 00 75 3c 8b 42 14 85 <c0> 74 35 8b 42 1c a8 02 74 2e 8b 5a 08 83 e0 fd 89 42 1c 85 db 
[  574.856011] EIP: [<c109520e>] mark_files_ro+0x27/0x6f SS:ESP 0068:f57bff40
[  574.856011] CR2: 00000000b4777dbf
[  575.058358] ---[ end trace 31af091d3864bfb9 ]---
[  575.062966] Kernel panic - not syncing: Fatal exception in interrupt
[  575.069310] Pid: 6349, comm: dpkg-deb Tainted: G      D    2.6.32-5-486 #1
[  575.076170] Call Trace:
[  575.078607]  [<c1244ccb>] ? panic+0x38/0xde
[  575.082790]  [<c1246a1c>] ? oops_end+0x81/0x8d
[  575.087227]  [<c10151c8>] ? no_context+0x104/0x10d
[  575.092011]  [<c1015318>] ? __bad_area_nosemaphore+0x147/0x152
[  575.097835]  [<c10a21b8>] ? touch_atime+0x69/0xd9
[  575.102530]  [<c109a309>] ? pipe_read+0x32c/0x33b
[  575.107228]  [<c10069b9>] ? sched_clock+0x5/0x7
[  575.111754]  [<c10376eb>] ? sched_clock_local+0x15/0x11c
[  575.117057]  [<c1247851>] ? do_page_fault+0x0/0x26a
[  575.121927]  [<c101532d>] ? bad_area_nosemaphore+0xa/0xc
[  575.127230]  [<c124612b>] ? error_code+0x6b/0x70
[  575.131840]  [<c109520e>] ? mark_files_ro+0x27/0x6f
[  575.136709]  [<c105b8ef>] ? __rcu_process_callbacks+0x292/0x352
[  575.142618]  [<c105b9be>] ? rcu_process_callbacks+0xf/0x1f
[  575.148095]  [<c1026dfa>] ? __do_softirq+0x8e/0x135
[  575.152964]  [<c1026ed1>] ? do_softirq+0x30/0x3b
[  575.157574]  [<c1026f94>] ? irq_exit+0x25/0x53
[  575.162010]  [<c100e963>] ? smp_apic_timer_interrupt+0x60/0x68
[  575.167833]  [<c10037f1>] ? apic_timer_interrupt+0x31/0x40

I normally don't use the -486 variant on this machine (due to the 4GiB
of RAM), but i've been having other trouble with the machine (to be
reported in due course), and i had booted into a -486 as a fallback.

The only kernel boot parameter on this run was console=ttyS0,115200n8 --
i brought up the rest of the system by hand during this fallback
attempt.

I've run memtest86+ on this machine and the memory shows no errors in
that program.

Let me know if there are other details i can report that would help with
this bug report; sorry i'm not able to get the machine to a stable point
yet to run reportbug on it directly.

     --dkg

--- End Message ---
--- Begin Message --- 
On 07/24/2012 11:03 PM, Ben Hutchings wrote:
> I think this sounds like some sort of hardware failure.  It might be
> terminal (CPU or motherboard failing) or it might be that a heatsink or
> fan is getting clogged and failing to cool properly.  You can probably
> read some of the temperature sensors (lm-sensors package), though it's
> not always obvious which is where and what a reasonable temperature
> is...

I have to agree with Ben's analysis that debian bug 665413 is in fact a
hardware failure.  I recently tried booted the same machine off of
reliable media (the media worked in another machine with similar specs)
and the machine continued to fail.

So i'm marking this bug as "done".

Thanks for your time and effort debugging this, when it ultimately did
not turn out to be a software issue.

Regards,

	--dkg

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